Which HID's?

[Bob1984]

Been away along time- I fitted some HID's years ago to the exige and they have been spot on until a couple of days ago when one has died. I bought a new kit off ebay for about £60 and have just spent the morning taking off the wheel etc to change them to this new kit... They don't fit! There is a black plastic part at the base of the bulb that will not fit into the bulb housing of the car.

Please can anyone suggest which HID's to get? and ideally supply a link for ones that will fit.

55 plate S2 exige.

Many thanks.